30806975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 40778640

約数和(自身を除く): 9971665

約数列:

[1, 5, 17, 25, 85, 173, 419, 425, 865, 2095, 2941, 4325, 7123, 10475, 14705, 35615, 72487, 73525, 178075, 362435, 1232279, 1812175, 6161395, 30806975]

約数ペア:

[(1, 30806975), (5, 6161395), (17, 1812175), (25, 1232279), (85, 362435), (173, 178075), (419, 73525), (425, 72487), (865, 35615), (2095, 14705), (2941, 10475), (4325, 7123)]